Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: reactive-banana-wx (user goal)
rejecting: reactive-banana-wx-1.0.0.0, 0.9.0.2, 0.9.0.1, 0.9.0.0, 0.8.0.4,
0.8.0.0, 0.7.1.0, 0.7.0.0, 0.6.0.1, 0.6.0.0, 0.5.0.0, 0.4.3.2, 0.4.3.1,
0.4.3.0, 0.4.2.0, 0.4.1.1 (global constraint requires ==0.4.1.0)
trying: reactive-banana-wx-0.4.1.0
next goal: base (dependency of reactive-banana-wx-0.4.1.0)
rejecting: base-4.8.1.0/installed-4f7... (conflict: reactive-banana-wx =>
base>=4.2 && <4.4)
rejecting: base-4.8.1.0, 4.8.0.0, 4.7.0.2, 4.7.0.1, 4.7.0.0, 4.6.0.1, 4.6.0.0,
4.5.1.0, 4.5.0.0, 4.4.1.0, 4.4.0.0, 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1,
4.2.0.0, 4.1.0.0, 4.0.0.0, 3.0.3.2, 3.0.3.1 (global constraint requires
installed instance)
Dependency tree exhaustively searched.